2939938

Information

• Patent Grant
• 2939938

• References
• Source

• Patent Number

  2,939,938

• Date Filed

  Not available

• Date Issued

  Tuesday, June 7, 1960
  64 years ago

• CPC

  • H01J40/14 - Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
  • H01L31/09 - Devices sensitive to infra-red, visible or ultraviolet radiation
  • Y10S62/19 - Ionic thompson effect

• US Classifications

  • 219 - Electric heating
  • 062 - Refrigeration
  • 118 - Coating apparatus
  • 141 - Fluent material handling, with receiver or receiver coacting means
  • 244 - Aeronautics and astronautics
  • 250 - Radiant energy
  • 257 - Active solid-state devices
  • 338 - Electrical resistors
  • 398 - Optical communications